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Sökning: WFRF:(Loeschner K.)

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1.
  • Fortino, V, et al. (författare)
  • Biomarkers of nanomaterials hazard from multi-layer data
  • 2022
  • Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 13:1, s. 3798-
  • Tidskriftsartikel (refereegranskat)abstract
    • There is an urgent need to apply effective, data-driven approaches to reliably predict engineered nanomaterial (ENM) toxicity. Here we introduce a predictive computational framework based on the molecular and phenotypic effects of a large panel of ENMs across multiple in vitro and in vivo models. Our methodology allows for the grouping of ENMs based on multi-omics approaches combined with robust toxicity tests. Importantly, we identify mRNA-based toxicity markers and extensively replicate them in multiple independent datasets. We find that models based on combinations of omics-derived features and material intrinsic properties display significantly improved predictive accuracy as compared to physicochemical properties alone.
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  • Andersen, M. H. G., et al. (författare)
  • Exposure to Air Pollution inside Electric and Diesel-Powered Passenger Trains
  • 2019
  • Ingår i: Environmental Science & Technology. - : American Chemical Society (ACS). - 0013-936X .- 1520-5851. ; 53:8, s. 4579-4587
  • Tidskriftsartikel (refereegranskat)abstract
    • Diesel-powered trains are used worldwide for passenger transport. The present study aimed to assess air pollution concentrations in passenger cars from diesel and electric trains. Personal exposure monitoring (6-7 h per day) was carried out for 49 days on diesel and 22 days on electric trains. Diesel trains had higher concentrations of all the assessed air pollution components. Average increases (and fold differences) in passenger cars of diesel trains compared with electric trains were for ultrafine particles 212 000 particles/cm(3) (35-fold), black carbon 8.3 mu g/m(3) (6-fold), NOx 316 mu g/m(3) (8-fold), NO2 38 mu g/m(3) (3-fold), PM2.5 34 mu g/m(3) (2-fold), and benzo(a)pyrene 0.14 mu g/m(3) (6-fold). From time-series data, the pull and push movement modes, the engine in use, and the distance to the locomotive influenced the concentrations inside the diesel trains. In conclusion, concentrations of all air pollutants were significantly elevated in passenger cars in diesel trains compared to electric trains.
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